CN106354164A - Rotation limiting device for azimuth axis of small-sized optical telescope - Google Patents
Rotation limiting device for azimuth axis of small-sized optical telescope Download PDFInfo
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- CN106354164A CN106354164A CN201611069812.7A CN201611069812A CN106354164A CN 106354164 A CN106354164 A CN 106354164A CN 201611069812 A CN201611069812 A CN 201611069812A CN 106354164 A CN106354164 A CN 106354164A
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- reverse
- positive
- sensor
- ring
- azimuth axis
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Telescopes (AREA)
Abstract
The invention provides a rotation limiting device for an azimuth axis of a small-sized optical telescope and relates to rotation limiting protection devices for azimuth axes of optical telescopes. The rotation limiting device is used for solving the problems, i.e., poor reliability, relatively high space usage, complicated structure and low utilization ratio of the existing limiting protection devices for the azimuth axes of the optical telescopes. The rotation limiting device comprises a bump ring, a reversing block, a rotating shaft, a reversing block bracket, a fixed plate, a limiting triggering blocking sheet, a forward and reverse enable triggering blocking sheet, a forward and reverse limiting sensor, a forward and reverse enable sensor, a forward and reverse permanent magnet and a forward and reverse cushion pad. According to the limiting device, approximate two circles of rotation limiting is achieved through logic fit between the reversing block and the forward and reverse limiting sensor and between the reversing block and the forward and reverse enable sensor. The device provided by the invention is simple and reliable in structure, low in cost and small in size, thereby being particularly applicable to the two circles of rotation limiting of small-sized turntables.
Description
Technical field
The present invention relates to the slewing limit protection device of optical telescope azimuth axis is and in particular to a kind of be used for compact optical
The rotary caging device of telescope azimuth axis.
Background technology
At present, in order to meet the observation requirementses to extraterrestrial target, the anglec of rotation of telescope azimuth axis requires more than a circle,
Even close to two circles, disconnected in order to prevent cable, optical fiber etc. from being twisted, need to arrange limiting and protecting device.Existing conventional technology one
Planting is light electric slip ring, and shortcoming is that slip ring is higher to semaphore request, and price is higher, easy to wear, and the life-span of turn-taking limits.Another kind is
Mechanical stop limiter, but the position-limit mechanism that tradition uses adopts ox head type changement, and gravity or spring force are leaned in commutation switching
Reset, occupancy installing space is larger, complex structure, it is impossible to be used on small-sized azimuth axis turntable, can not be arranged on azimuth rotating platform
Internal.
Content of the invention
The present invention is that the limiting and protecting device solving existing optical telescope azimuth axis has poor reliability, takes up room relatively
Greatly, complex structure and the low problem of utilization rate, provide a kind of rotary caging device for compact optical telescope azimuth axis.
For the rotary caging device of compact optical telescope azimuth axis, described two circle rotary caging devices and telescope side
Position axle turntable is co-axially mounted, and including hitting ring, commutation block, rotating shaft, commutation block support and fixed plate, it is solid that described commutation block passes through rotating shaft
It is scheduled on commutation block support, commutation block support is arranged in fixed plate, also includes being arranged on the spacing triggering catch hitting ring end,
It is respectively symmetrically and inlays the positive permanent magnet being fixed on commutation block both sides and reverse permanent magnet, be respectively symmetrically and be connected to the two of commutation block
End and positive enable triggering catch and the reverse positive limit sensors that triggering catch is symmetrically mounted in fixed plate and instead of enabling
To limit sensors, the positive sensor that enables being symmetrically mounted in fixed plate is arranged on fixed plate with the reverse sensor that enables
On；Described fixed plate is arranged in azimuth axis turntable fixed seat, and the rotary shaft hitting ring with azimuth axis turntable is connected.
Beneficial effects of the present invention: rotary caging device of the present invention, when azimuth axis turntable is in 0 ° of position, commutation
Block is unstable state position, and all the sensors, all in non-toggle state, hit ring and rotate forward clockwise and can pass through, drive simultaneously
Commutation block rotation, enters reversely enable position, and triggering reversely enables sensor, hits ring and positive can pass through reversely spacing sensing
Device, moves to positive limit sensors always, and spacing triggering catch triggering forward direction limit sensors produce signal, inform control system
Positive movement clockwise of uniting reaches spacing stop motion.
Pass through when hitting ring and reversely rotating counterclockwise from 0 ° of position, drive commutation block rotation, enter positive enable position, triggering
Positive enable sensor, hits ring and can move to reverse limit sensors always back through positive limit sensors, spacing tactile
Send out the reverse limit sensors of catch triggering and produce signal, inform that control system adverse movement counterclockwise reaches spacing stop motion.
Specifically there is advantages below:
1st, using optimizing changement design in device of the present invention, reduce position-limit mechanism volume, make it possible to pacify
It is attached to inside telescope azimuth rotating platform, realize two circle slewing limits of compact optical telescope azimuth axis.There is provided using permanent magnet
Reset force, commutation block only has two stable position, and commutation is accurately and reliably.
2nd, apparatus structure of the present invention is simple, installs and takes up room little, particularly axially size is little, may be installed and turns
Inside platform, low cost, practical.
3rd, in device of the present invention, limit sensors and enable sensor all adopt same model, and all the sensors line
Cable does not rotate with rotary shaft, and device itself does not have coiling problem, convenient for installation and maintenance.It is particularly suitable for compact optical to look in the distance
The slewing limit of mirror azimuth axis turntable.
Brief description
Fig. 1 is that the 3 D stereo of the rotary caging device for compact optical telescope azimuth axis of the present invention is illustrated
Figure；
Fig. 2 is the section view 0 ° of position for the rotary caging device for compact optical telescope azimuth axis of the present invention
Figure；
Fig. 3 is that the dextrorotation of the rotary caging device for compact optical telescope azimuth axis of the present invention is become a full member
To restraining position sectional view；
Fig. 4 is that the rotate counterclockwise of the rotary caging device for compact optical telescope azimuth axis of the present invention is anti-
To restraining position sectional view.
In figure: 1, hit ring, 2, positive limit sensors, 3, commutation block, 4, positive enable sensor, 5, rotating shaft, 6, commutation
Block support, 7, reversely enable sensor, 8, reverse limit sensors, 9, fixed plate, 10, reversely enable triggering catch, 11, positive
Enable triggering catch, 12, reverse cushion pad, 13, reverse permanent magnet, 14, spacing triggering catch, 15, positive permanent magnet, 16, just
To cushion pad.
Specific embodiment
Specific embodiment one, with reference to Fig. 1 to Fig. 4, present embodiment is described, for compact optical telescope azimuth axis
Two circle rotary caging devices, include hit ring 1, commutation block 3, rotating shaft 5, commutation block support 6, fixed plate 9, spacing trigger catch 14,
Positive enable triggering catch 11, reversely enable triggering catch 10, forward direction limit sensors 2, reverse limit sensors 8, forward direction make
Can sensor 4, reversely enable sensor 7, positive permanent magnet 15 and reverse permanent magnet 13.Described forward direction permanent magnet 15 is with reversely forever
Magnet 13 is inlayed respectively and is fixed on commutation block 3 both sides, and forward and reverse enable triggering catch 11, reversely enable triggering catch 10 pass through spiral shell
Nail is connected to the two ends of commutation block 3, and commutation block 3 is fixed on commutation block support 6 by rotating shaft 5, and commutation block support 6 is installed
In fixed plate 9, spacing triggering catch 14 is arranged on the end hitting ring 1, positive limit sensors 2, reverse limit sensors 8 and
Positive enable sensor 4, reversely enable sensor 7 are arranged in fixed plate 9.Whole device is coaxial with telescope azimuth axis turntable
Install, fixed plate 9 is arranged in azimuth axis turntable fixed seat, hits ring 1 and is connected with azimuth axis turntable rotary shaft.
Ring 1 end of hitting described in present embodiment is the face of cylinder.Hit ring 1 to match with commutation block 3, realize the machine of two circles
Tool slewing limit.Described commutation block 3 can rotate 90 ° around the shaft, and commutation block support 6 is permeability magnetic material, and commutation block 3 only two is steady
State position, realizes the reliability switching of two stable position by forward and reverse attraction of permanent magnet.
Hit ring 1 to rotate forward clockwise, if positive enable sensor 4 effectively, hitting ring 1 can be by positive limit sensors
2, and hit ring 1 and can promote commutation block 3, commutation block 3 rotate counterclockwise around the shaft under reverse permanent magnet 13 magneticaction
90 °, triggering reversely enables sensor 7, hits ring 1 and positive can pass through reverse limit sensors 8, moves to positive spacing biography always
Stop during sensor 2；
Hit ring 1 to reversely rotate counterclockwise, if reversely enabling sensor 7 effectively, hitting ring 1 and can pass through reverse limit sensors
8, and hit ring 1 and can promote commutation block, commutation block turns clockwise 90 ° under positive permanent magnet 15 magneticaction around the shaft,
Triggering is positive to enable sensor 4, hits ring 1 and can move to reverse limit sensors always back through positive limit sensors 2
Stop when 8.
1 liang of end side surface of commutation block described in present embodiment inlays positive cushion pad 16 and reverse cushion pad 12 respectively, and
Positive cushion pad 16 and reverse cushion pad 12 can match with hitting ring 1, when telescope is not powered on work, in outside thrust
The rotary shaft rotation of lower azimuth axis turntable, hits that ring 1 is forward and reverse can to go out forward and reverse electric spacing extreme position, now, positive and negative
The collision energy hitting between ring 1 and commutation block 3 can be absorbed to cushion pad.
The reverse limit sensors 8 of positive limit sensors 2 described in present embodiment and the positive sensor 4 that enables reversely make
Same model can be adopted by sensor 7, sensor actuation triggers for noncontact, and all the sensors cable opposing fixed plate 9 is fixing,
Do not rotate with the rotary shaft of azimuth axis turntable.
Rotary caging device described in present embodiment be used for low profile photovoltaic telescope, its azimuth axis turntable diameter 260mm,
Described rotary caging device is fully mounted inside azimuth axis turntable, and turntable height only increases 30mm, spacing and enable sensor
All adopt low profile photovoltaic limit switch, electric spacing scope ± 330 °, extreme rotational scope ± 350 °.
Claims (8)
1. it is used for the rotary caging device of compact optical telescope azimuth axis, described two circle rotary caging devices and telescope orientation
Axle turntable is co-axially mounted, and including hitting ring (1), commutation block (3), rotating shaft (5), commutation block support (6) and fixed plate (9), described changes
It is fixed in commutation block support (6) to block (3) by rotating shaft (5), commutation block support (6) is arranged in fixed plate (9), its feature
Also to include being arranged on the spacing triggering catch (14) hitting ring (1) end, be respectively symmetrically inlay be fixed on commutation block (3) both sides
Positive permanent magnet (15) and reverse permanent magnet (13), be respectively symmetrically the two ends being connected to commutation block (3) and positive enable triggering
Catch (11) and reverse enable trigger catch (10)；
It is symmetrically mounted on the positive limit sensors (2) in fixed plate (9) and reverse limit sensors (8), be symmetrically mounted on solid
Positive enable sensor (4) in fixed board (9) and the reverse sensor (7) that enables are arranged in fixed plate (9)；Described fixed plate
(9) it is arranged in azimuth axis turntable fixed seat, hit ring (1) and be connected with the rotary shaft of azimuth axis turntable.
2. the rotary caging device for compact optical telescope azimuth axis according to claim 1 is it is characterised in that go back
Including positive cushion pad (16) and reverse cushion pad (12), described forward direction cushion pad (16) and reverse cushion pad (12) are inlayed respectively
It is fixed on the both sides of commutation block (3), described forward direction cushion pad (16) and reverse cushion pad (12) coordinate with hitting ring (1), when looking in the distance
When mirror is not powered on work, the rotary shaft rotation of azimuth axis turntable, positive cushion pad (16) and reversely delaying under outside thrust
Punching pad (12) absorbs the collision energy hitting between ring (1) and commutation block (3).
3. the rotary caging device for compact optical telescope azimuth axis according to claim 1 and 2, its feature exists
In described ring (1) end of hitting is the face of cylinder.
4. the rotary caging device for compact optical telescope azimuth axis according to claim 3 is it is characterised in that institute
(5) rotate 90 ° around the shaft to state commutation block (3), and commutation block (3) has two stable position, by positive permanent magnet (15) with instead
Realize the reliability switching of two stable position to the suction of permanent magnet (13).
5. the rotary caging device for compact optical telescope azimuth axis according to claim 4 is it is characterised in that hit
Ring (1) rotates forward clockwise, if positive enable sensor (4) effectively, hits ring (1) and passes through positive limit sensors (2), and
Hit ring (1) and promote commutation block (3), commutation block (3) (5) rotate counterclockwise around the shaft under reverse permanent magnet (13) magneticaction
90 °, triggering reversely enables sensor (7), hits ring (1) forward direction and passes through reverse limit sensors (8), moves to positive spacing always
Stop during sensor (2)；
Hit ring (1) to reversely rotate counterclockwise, if reversely enabling sensor (7) effectively, hitting ring (1) and passing through reverse limit sensors
, and hit ring (1) and promote commutation block (3), commutation block (3) (5) up time around the shaft under positive permanent magnet (15) magneticaction (8)
Pin rotates 90 °, and triggering is positive to enable sensor (4), hits ring (1) and moves to always instead back through positive limit sensors (2)
Stop to when limit sensors (8).
6. the rotary caging device for compact optical telescope azimuth axis according to claim 5 is it is characterised in that institute
State positive limit sensors (2), reverse limit sensors (8), positive enable the type that sensor (4) reversely enables sensor (7)
Number identical.
7. the rotary caging device for compact optical telescope azimuth axis according to claim 6 is it is characterised in that institute
State positive limit sensors (2), reverse limit sensors (8), the positive sensor (4) that enables reversely enable sensor (7) and hit
Ring (1) triggers for noncontact, and the sensor cable opposing fixed plate (9) is fixing, does not revolve with the rotary shaft of azimuth axis turntable
Turn.
8. the rotary caging device for compact optical telescope azimuth axis according to claim 1 is it is characterised in that institute
Stating commutation block support (6) is permeability magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069812.7A CN106354164A (en) | 2016-11-29 | 2016-11-29 | Rotation limiting device for azimuth axis of small-sized optical telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069812.7A CN106354164A (en) | 2016-11-29 | 2016-11-29 | Rotation limiting device for azimuth axis of small-sized optical telescope |
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| Publication Number | Publication Date |
|---|---|
| CN106354164A true CN106354164A (en) | 2017-01-25 |
Family
ID=57863228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611069812.7A Pending CN106354164A (en) | 2016-11-29 | 2016-11-29 | Rotation limiting device for azimuth axis of small-sized optical telescope |
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| CN (1) | CN106354164A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630862A (en) * | 2019-09-23 | 2019-12-31 | 中国电子科技集团公司第三十八研究所 | Electromechanical limiting mechanism of rotary table with rotation angle range of 0 ~ +/-360 degrees |
| CN112710195A (en) * | 2020-12-29 | 2021-04-27 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Bidirectional limiting device for realizing omnibearing scanning of laser emission rotary table |
| CN115140670A (en) * | 2022-06-24 | 2022-10-04 | 长沙智能专用车研究院有限公司 | Limiting device of slewing mechanism and mechanical equipment thereof |
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| CN102102996A (en) * | 2010-12-16 | 2011-06-22 | 重庆易控科技有限责任公司 | Over-360-degree-angle limit sensor device |
| CN102493985A (en) * | 2011-12-09 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Rotary limiting mechanism for turntable |
| CN103395726A (en) * | 2013-07-23 | 2013-11-20 | 中国科学院长春光学精密机械与物理研究所 | 360-540DEG rotation limit mechanism for vertical turntable |
| CN105259927A (en) * | 2015-11-09 | 2016-01-20 | 中国科学院光电技术研究所 | Spacing mechanism for changing the limited rotation angle of rotating shaft |
| JP5897750B1 (en) * | 2015-03-25 | 2016-03-30 | ヴイストン株式会社 | Torque limiter |
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2016
- 2016-11-29 CN CN201611069812.7A patent/CN106354164A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102996A (en) * | 2010-12-16 | 2011-06-22 | 重庆易控科技有限责任公司 | Over-360-degree-angle limit sensor device |
| CN102493985A (en) * | 2011-12-09 | 2012-06-13 | 中国科学院长春光学精密机械与物理研究所 | Rotary limiting mechanism for turntable |
| CN103395726A (en) * | 2013-07-23 | 2013-11-20 | 中国科学院长春光学精密机械与物理研究所 | 360-540DEG rotation limit mechanism for vertical turntable |
| JP5897750B1 (en) * | 2015-03-25 | 2016-03-30 | ヴイストン株式会社 | Torque limiter |
| CN105259927A (en) * | 2015-11-09 | 2016-01-20 | 中国科学院光电技术研究所 | Spacing mechanism for changing the limited rotation angle of rotating shaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630862A (en) * | 2019-09-23 | 2019-12-31 | 中国电子科技集团公司第三十八研究所 | Electromechanical limiting mechanism of rotary table with rotation angle range of 0 ~ +/-360 degrees |
| CN112710195A (en) * | 2020-12-29 | 2021-04-27 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Bidirectional limiting device for realizing omnibearing scanning of laser emission rotary table |
| CN115140670A (en) * | 2022-06-24 | 2022-10-04 | 长沙智能专用车研究院有限公司 | Limiting device of slewing mechanism and mechanical equipment thereof |
| CN115140670B (en) * | 2022-06-24 | 2024-03-22 | 长沙智能专用车研究院有限公司 | Limiting device of slewing mechanism, slewing mechanism and mechanical equipment |
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Application publication date: 20170125 |